897148224 has 392 divisors, whose sum is σ = 3171553728. Its totient is φ = 246343680.

The previous prime is 897148177. The next prime is 897148237. The reversal of 897148224 is 422841798.

897148224 is a `hidden beast` number, since 89 + 71 + 482 + 24 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 897148224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13390239 + ... + 13390305.

Almost surely, 2^897148224 is an apocalyptic number.

897148224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897148224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585776864).

897148224 is an abundant number, since it is smaller than the sum of its proper divisors (2274405504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897148224 is an equidigital number, since it uses as much as digits as its factorization.

897148224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 120 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 897148224 is about 29952.4326891824. The cubic root of 897148224 is about 964.4685428573.

The spelling of 897148224 in words is "eight hundred ninety-seven million, one hundred forty-eight thousand, two hundred twenty-four".